Home / 33,158.52-45,758.61-18,818.49

Finding the Fourth Proportional to 33,158.52, 45,758.61 and 18,818.49

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Solution

The fourth proportional to 33,158.52, 45,758.61 and 18,818.49 is: 25,969.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,158.52 : 45,758.61 = 18,818.49 : x
  2. Step 2: Convert to fraction form
    33,158.52/45,758.61 = 18,818.49/x
  3. Step 3: Cross multiply
    33,158.52x = 45,758.61 × 18,818.49
  4. Step 4: Simplify right side
    33,158.52x = 861,107,944.70
  5. Step 5: Solve for x
    x = 861,107,944.70/33,158.52
  6. Step 6: Final answer
    x = 25,969.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.